The maximum cohort level increases by 1 for every 2 points of Leadership above 40.

The number of 1st-level followers increases by 100 for every point of Leadership above 40.

A character can command one-tenth as many 2nd-level followers as 1st-level followers. A character can command one-half as many 3rd-level followers as 2nd-level followers, one-half as many 4th-level followers as 3rd-level followers, and so on (round fractions up, except any fraction less than 1 rounds to 0). A character can’t have a follower of higher than 20th level.